/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.hs /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox/benchmark/theBenchmark.hs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty H-Termination with start terms of the given HASKELL could be proven: (0) HASKELL (1) BR [EQUIVALENT, 0 ms] (2) HASKELL (3) COR [EQUIVALENT, 0 ms] (4) HASKELL (5) Narrow [EQUIVALENT, 25 ms] (6) YES ---------------------------------------- (0) Obligation: mainModule Main module Main where { import qualified Prelude; data MyBool = MyTrue | MyFalse ; data Ordering = LT | EQ | GT ; data Tup0 = Tup0 ; compareTup0 :: Tup0 -> Tup0 -> Ordering; compareTup0 Tup0 Tup0 = EQ; esEsOrdering :: Ordering -> Ordering -> MyBool; esEsOrdering LT LT = MyTrue; esEsOrdering LT EQ = MyFalse; esEsOrdering LT GT = MyFalse; esEsOrdering EQ LT = MyFalse; esEsOrdering EQ EQ = MyTrue; esEsOrdering EQ GT = MyFalse; esEsOrdering GT LT = MyFalse; esEsOrdering GT EQ = MyFalse; esEsOrdering GT GT = MyTrue; fsEsOrdering :: Ordering -> Ordering -> MyBool; fsEsOrdering x y = not (esEsOrdering x y); ltEsTup0 :: Tup0 -> Tup0 -> MyBool; ltEsTup0 x y = fsEsOrdering (compareTup0 x y) GT; max0 x y MyTrue = x; max1 x y MyTrue = y; max1 x y MyFalse = max0 x y otherwise; max2 x y = max1 x y (ltEsTup0 x y); maxTup0 :: Tup0 -> Tup0 -> Tup0; maxTup0 x y = max2 x y; not :: MyBool -> MyBool; not MyTrue = MyFalse; not MyFalse = MyTrue; otherwise :: MyBool; otherwise = MyTrue; } ---------------------------------------- (1) BR (EQUIVALENT) Replaced joker patterns by fresh variables and removed binding patterns. ---------------------------------------- (2) Obligation: mainModule Main module Main where { import qualified Prelude; data MyBool = MyTrue | MyFalse ; data Ordering = LT | EQ | GT ; data Tup0 = Tup0 ; compareTup0 :: Tup0 -> Tup0 -> Ordering; compareTup0 Tup0 Tup0 = EQ; esEsOrdering :: Ordering -> Ordering -> MyBool; esEsOrdering LT LT = MyTrue; esEsOrdering LT EQ = MyFalse; esEsOrdering LT GT = MyFalse; esEsOrdering EQ LT = MyFalse; esEsOrdering EQ EQ = MyTrue; esEsOrdering EQ GT = MyFalse; esEsOrdering GT LT = MyFalse; esEsOrdering GT EQ = MyFalse; esEsOrdering GT GT = MyTrue; fsEsOrdering :: Ordering -> Ordering -> MyBool; fsEsOrdering x y = not (esEsOrdering x y); ltEsTup0 :: Tup0 -> Tup0 -> MyBool; ltEsTup0 x y = fsEsOrdering (compareTup0 x y) GT; max0 x y MyTrue = x; max1 x y MyTrue = y; max1 x y MyFalse = max0 x y otherwise; max2 x y = max1 x y (ltEsTup0 x y); maxTup0 :: Tup0 -> Tup0 -> Tup0; maxTup0 x y = max2 x y; not :: MyBool -> MyBool; not MyTrue = MyFalse; not MyFalse = MyTrue; otherwise :: MyBool; otherwise = MyTrue; } ---------------------------------------- (3) COR (EQUIVALENT) Cond Reductions: The following Function with conditions "undefined |Falseundefined; " is transformed to "undefined = undefined1; " "undefined0 True = undefined; " "undefined1 = undefined0 False; " ---------------------------------------- (4) Obligation: mainModule Main module Main where { import qualified Prelude; data MyBool = MyTrue | MyFalse ; data Ordering = LT | EQ | GT ; data Tup0 = Tup0 ; compareTup0 :: Tup0 -> Tup0 -> Ordering; compareTup0 Tup0 Tup0 = EQ; esEsOrdering :: Ordering -> Ordering -> MyBool; esEsOrdering LT LT = MyTrue; esEsOrdering LT EQ = MyFalse; esEsOrdering LT GT = MyFalse; esEsOrdering EQ LT = MyFalse; esEsOrdering EQ EQ = MyTrue; esEsOrdering EQ GT = MyFalse; esEsOrdering GT LT = MyFalse; esEsOrdering GT EQ = MyFalse; esEsOrdering GT GT = MyTrue; fsEsOrdering :: Ordering -> Ordering -> MyBool; fsEsOrdering x y = not (esEsOrdering x y); ltEsTup0 :: Tup0 -> Tup0 -> MyBool; ltEsTup0 x y = fsEsOrdering (compareTup0 x y) GT; max0 x y MyTrue = x; max1 x y MyTrue = y; max1 x y MyFalse = max0 x y otherwise; max2 x y = max1 x y (ltEsTup0 x y); maxTup0 :: Tup0 -> Tup0 -> Tup0; maxTup0 x y = max2 x y; not :: MyBool -> MyBool; not MyTrue = MyFalse; not MyFalse = MyTrue; otherwise :: MyBool; otherwise = MyTrue; } ---------------------------------------- (5) Narrow (EQUIVALENT) Haskell To QDPs digraph dp_graph { node [outthreshold=100, inthreshold=100];1[label="maxTup0",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 3[label="maxTup0 vx3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 4[label="maxTup0 vx3 vx4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 5[label="max2 vx3 vx4",fontsize=16,color="black",shape="box"];5 -> 6[label="",style="solid", color="black", weight=3]; 6[label="max1 vx3 vx4 (ltEsTup0 vx3 vx4)",fontsize=16,color="black",shape="box"];6 -> 7[label="",style="solid", color="black", weight=3]; 7[label="max1 vx3 vx4 (fsEsOrdering (compareTup0 vx3 vx4) GT)",fontsize=16,color="black",shape="box"];7 -> 8[label="",style="solid", color="black", weight=3]; 8[label="max1 vx3 vx4 (not (esEsOrdering (compareTup0 vx3 vx4) GT))",fontsize=16,color="burlywood",shape="box"];15[label="vx3/Tup0",fontsize=10,color="white",style="solid",shape="box"];8 -> 15[label="",style="solid", color="burlywood", weight=9]; 15 -> 9[label="",style="solid", color="burlywood", weight=3]; 9[label="max1 Tup0 vx4 (not (esEsOrdering (compareTup0 Tup0 vx4) GT))",fontsize=16,color="burlywood",shape="box"];16[label="vx4/Tup0",fontsize=10,color="white",style="solid",shape="box"];9 -> 16[label="",style="solid", color="burlywood", weight=9]; 16 -> 10[label="",style="solid", color="burlywood", weight=3]; 10[label="max1 Tup0 Tup0 (not (esEsOrdering (compareTup0 Tup0 Tup0) GT))",fontsize=16,color="black",shape="box"];10 -> 11[label="",style="solid", color="black", weight=3]; 11[label="max1 Tup0 Tup0 (not (esEsOrdering EQ GT))",fontsize=16,color="black",shape="box"];11 -> 12[label="",style="solid", color="black", weight=3]; 12[label="max1 Tup0 Tup0 (not MyFalse)",fontsize=16,color="black",shape="box"];12 -> 13[label="",style="solid", color="black", weight=3]; 13[label="max1 Tup0 Tup0 MyTrue",fontsize=16,color="black",shape="box"];13 -> 14[label="",style="solid", color="black", weight=3]; 14[label="Tup0",fontsize=16,color="green",shape="box"];} ---------------------------------------- (6) YES